# -*- coding:utf-8 -*-
#! python3
class Grand_father(object):
  def __init__(self):
    print('爷爷')
class Father_left(Grand_father):
  def __init__(self):
    super(Father_left,self).__init__()
    # Grand_father.__init__(self)
    print('左边爸爸')
class Father_right(Grand_father):
  def __init__(self):
    super(Father_right, self).__init__()
    # Grand_father.__init__(self)
    print('右边爸爸')
class Me(Father_right,Father_left):
  def __init__(self):
    super(Me, self).__init__()
    # Father_left.__init__(self)
    # Father_right.__init__(self)
    print('我')
def main():
  me = Me()
if __name__ == '__main__':
  main()